C
HAPTER
37
| Quality of Service Commands
– 1178 –
COMMAND USAGE
◆ Use the policy-map command to specify the name of the policy map,
and then use the class command to configure policies for traffic that
matches the criteria defined in a class map.
◆ A policy map can contain multiple class statements that can be applied
to the same interface with the service-policy command.
◆ Create a Class Map (page 1177) before assigning it to a Policy Map.
EXAMPLE
This example creates a policy called “rd-policy,” uses the class command to
specify the previously defined “rd-class,” uses the set command to classify
the service that incoming packets will receive, and then uses the police
flow command to limit the average bandwidth to 100,000 Kbps, the burst
rate to 4000 bytes, and configure the response to drop any violating
packets.
Console(config)#policy-map rd-policy
Console(config-pmap)#class rd-class
Console(config-pmap-c)#set cos 0
Console(config-pmap-c)#police flow 10000 4000 conform-action transmit
violate-action drop
Console(config-pmap-c)#
class This command defines a traffic classification upon which a policy can act,
and enters Policy Map Class configuration mode. Use the no form to delete
a class map.
SYNTAX
[no] class class-map-name
class-map-name - Name of the class map. (Range: 1-32 characters)
DEFAULT SETTING
None
COMMAND MODE
Policy Map Configuration
COMMAND USAGE
◆ Use the policy-map command to specify a policy map and enter Policy
Map configuration mode. Then use the class command to enter Policy
Map Class configuration mode. And finally, use the set command and
one of the police commands to specify the match criteria, where the:
■
set phb command sets the per-hop behavior value in matching
packets. (This modifies packet priority for internal processing only.)
■
set cos command sets the class of service value in matching
packets. (This modifies packet priority in the VLAN tag.)
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